# Rotax 532 > Mediated Wiki article. Canonical URL: https://mediated.wiki/source/Rotax_532 > Markdown URL: https://mediated.wiki/source/Rotax_532.md > Source: https://en.wikipedia.org/wiki/Rotax_532 > Source revision: 1350187201 > License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) Austrian two-stroke aircraft engine 532 Type Piston aero-engine National origin Austria Manufacturer Rotax Major applications Murphy Renegade Merlin GT The **Rotax 532** is a 48 kW (64 hp) [two-stroke](/source/Two-stroke_cycle), two-cylinder, [rotary valve](/source/Rotary_valve) engine, liquid-cooled, gear reduction-drive engine that was formerly manufactured by [BRP-Rotax GmbH & Co. KG](/source/Rotax). It was designed for use on [ultralight aircraft](/source/Ultralight_aircraft).[1] ## Design The 532 features liquid-cooled cylinder heads and cylinders with a rotary valve inlet. Cooling is via one or two externally mounted radiators. Lubrication is by use of pre-mixed fuel and oil at 50:1. The 532 has a single [Bosch](/source/Robert_Bosch_GmbH) flywheel [magneto ignition](/source/Magneto_ignition) system. It can be equipped with either one or two piston-type [carburetors](/source/Carburetor). It uses a manifold-driven pneumatic fuel pump to provide fuel pressure.[1] The engine's propeller drive is via a Rotax type B or C style gearbox. The standard engine includes a muffler exhaust system and an intake air filter. The standard starter is a [recoil start](/source/Recoil_start) type, with an electric starter optional. An integral [alternating current](/source/Alternating_current) generator produces 12 volts.[1] The Rotax 532 was replaced in production by the improved [Rotax 582](/source/Rotax_582) engine design. The 582 increased the cylinder bore from the 532's 72 mm to 76 mm. This increased the displacement from 521.2 cc to 580.7 cc, an increase of 11%. The increased displacement flattened out the 532's torque curve and allowed the 582 to produce useful power over a wider rpm range. Reliability over the 532 was also improved.[1][2] ## Applications - [Aero Designs Pulsar](/source/Aero_Designs_Pulsar) - [Aero Dynamics Sparrow Hawk](/source/Aero_Dynamics_Sparrow_Hawk) - [AeroLites Bearcat](/source/AeroLites_Bearcat) - [Australian LightWing GR532](/source/Australian_LightWing_GR532) - [Aviasud Mistral](/source/Aviasud_Mistral) - [Avid Flyer](/source/Avid_Flyer) - [Biplanes Of Yesteryear Mifyter](/source/Biplanes_Of_Yesteryear_Mifyter) - [Denney Kitfox Model 1](/source/Denney_Kitfox) - [Early Bird Jenny](/source/Early_Bird_Jenny) - [Macair Merlin GT](/source/Blue_Yonder_Merlin) - [Murphy Renegade](/source/Murphy_Renegade) - [Teratorn Tierra II](/source/Teratorn_Tierra_II) - [Tiger Club Development Sherwood Ranger](/source/Tiger_Club_Development_Sherwood_Ranger) - [Wombat Gyrocopters Wombat](/source/Wombat_Gyrocopters_Wombat) ## Specifications (Rotax 532) Reference: Raisner and Bombardier Rotax 532 Operator's Manual[1][2] ### General characteristics - **Type:** 2-cylinder, 2-stroke, rotary valve, oil-in-fuel or oil-injected lubrication, dual carburetors, single ignition - **[Bore](/source/Bore_(engine)):** 72 mm (2.83 in) - **[Stroke](/source/Stroke_(engine)):** 64 mm (2.40 in) - **[Displacement](/source/Engine_displacement):** 521.2 cm³ (31.81 cu in) - **[Dry weight](/source/Dry_weight):** 46.8 [kg](/source/Kilogram) 103.2 [lb](/source/Pound_(mass)) with recoil starter, two carburetors, full radiator, exhaust system and B gearbox ### Components - **[Valvetrain](/source/Valvetrain):** rotary inlet valve, piston ported exhaust - **Fuel type:** premium unleaded: RON 90 octane or higher leaded or unleaded or AVGAS 100 LL - **Oil system:** oil-in-fuel (pre-mix) at 50:1 - **Cooling system:** liquid cooled ### Performance - **Power output:** 48 [kW](/source/Kilowatt) 64 HP SAE @ 6500 [RPM](/source/Revolutions_per_minute) - **[Power-to-weight ratio](/source/Power-to-weight_ratio):** 0.62 hp/lb (0.99 kg/kW) ## See also - [Rotax aircraft engines](/source/Rotax#Aircraft_engines) - [Arrow 500](/source/Arrow_500) ## References 1. ^ [***a***](#cite_ref-Raisner_1-0) [***b***](#cite_ref-Raisner_1-1) [***c***](#cite_ref-Raisner_1-2) [***d***](#cite_ref-Raisner_1-3) [***e***](#cite_ref-Raisner_1-4) Raisner, William: *LEAF catalog*, pages 6-105. Leading Edge Air Foils, 1995. 1. ^ [***a***](#cite_ref-Manual_2-0) [***b***](#cite_ref-Manual_2-1) [Rotax](/source/Rotax), *Bombardier Rotax 532 Operator's Manual* v t e Rotax aircraft engines Two-stroke piston engines 185 275 277 377 447 462 503 532 535 582 618 Four-stroke piston engines 912 914 915 916 --- Adapted from the Wikipedia article [Rotax 532](https://en.wikipedia.org/wiki/Rotax_532) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Rotax_532?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.